1. Heine RW, King EH, Schumacher JS (1960) Casting defects. Mod Cast 38(1):46–49
2. AFS Committee (1949) Causes of rat-tail casting defects. AFS Trans 57:526–534
3. Wilford CF, Swinden DJ (1977) Metallurgical factors affecting the occurrence of shrinkage defects in grey iron castings. The British Foundrymen 70(10):311–317
4. Hornung MJ (1990) A systematic approach to cast iron defect analysis. Mod Cast 80(4):33–38
5. Gruzleski JE (1978) An experimental study of the distribution of micro porosity in cast aluminum base alloys. The British Foundryman 71(4):69–78